Submission #798898

#	Time	Username	Problem	Language	Result	Execution time	Memory
798898		vjudge1	Advertisement 2 (JOI23_ho_t2)	C++17	100 / 100	129 ms	12824 KiB

Main

#include <bits/stdc++.h>



using namespace std;

#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define fi first
#define se second
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"


const int N = 5e5 + 9 , mod = 1e9 + 7;
ll  d[N] = {} , a[N] = {}, dp[N] = {}, b[N] , c[N];

vector<pair<int,int>>v;


void solve(){
    ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
    cin>>n;
    for(i = 1; i <= n; i++){
        cin>>a[i]>>b[i];
        v.pb({a[i] - b[i] , -(b[i] + a[i])});
    }
    sort(all(v));
    for(i = 0; i < v.size(); i++)
        if(-v[i].se > mx)
            mx = -v[i].se , s++;
    cout<<s<<"\n";

}

int main(){

     TL;
     /*
     #ifndef ONLINE_JUDGE
     freopen("input.txt", "r", stdin);
     freopen("output.txt", "w", stdout);
     #endif
     */
int t = 1;
//cin>>t;

while(t--)
     {
     solve();
     }

}
// Author : حسن

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:39:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |     for(i = 0; i < v.size(); i++)
      |                ~~^~~~~~~~~~
Main.cpp:32:8: warning: unused variable 'q' [-Wunused-variable]
   32 |     ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
      |        ^
Main.cpp:32:16: warning: unused variable 'j' [-Wunused-variable]
   32 |     ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                ^
Main.cpp:32:20: warning: unused variable 'm' [-Wunused-variable]
   32 |     ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                    ^
Main.cpp:32:26: warning: unused variable 'z' [-Wunused-variable]
   32 |     ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                          ^
Main.cpp:32:38: warning: unused variable 'f' [-Wunused-variable]
   32 |     ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                                      ^
Main.cpp:32:41: warning: unused variable 'l' [-Wunused-variable]
   32 |     ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                                         ^
Main.cpp:32:45: warning: unused variable 'r' [-Wunused-variable]
   32 |     ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                                             ^
Main.cpp:32:49: warning: unused variable 'k' [-Wunused-variable]
   32 |     ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                                                 ^
Main.cpp:32:53: warning: unused variable 'x' [-Wunused-variable]
   32 |     ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                                                     ^
Main.cpp:32:57: warning: unused variable 'y' [-Wunused-variable]
   32 |     ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                                                         ^
Main.cpp:32:61: warning: unused variable 'mn' [-Wunused-variable]
   32 |     ll q , i , j , m ,n, z , s  = 0, f, l , r , k , x , y , mn  = 1e18 , mx = -1;
      |                                                             ^~

• Subtask 1: 10 / 10
• Subtask 2: 23 / 23
• Subtask 3: 36 / 36
• Subtask 4: 31 / 31